:type '(radio (const :format "%v " nil)
(string :format "FQDN: %v")))
-(defcustom message-use-idna
- (and (or (mm-coding-system-p 'utf-8)
- (condition-case nil
- (let (mucs-ignore-version-incompatibilities)
- (require 'un-define))
- (error)))
- (condition-case nil
- (require 'idna)
- (file-error)
- (invalid-operation))
- idna-program
- (executable-find idna-program)
- (string= (idna-to-ascii "räksmörgås") "xn--rksmrgs-5wao1o")
- t)
- "Whether to encode non-ASCII in domain names into ASCII according to IDNA.
-GNU Libidn, and in particular the elisp package \"idna.el\" and
-the external program \"idn\", must be installed for this
-functionality to work."
- :version "22.1"
+(defcustom message-use-idna t
+ "Whether to encode non-ASCII in domain names into ASCII according to IDNA."
+ :version "25.2"
:group 'message-headers
:link '(custom-manual "(message)IDNA")
:type '(choice (const :tag "Ask" ask)